* {
    margin: 0 auto;
    padding: 0;
}

.app {
    height: 940px;
    width: 400px;
    background-color: rgb(245, 245, 245);
    border: 1px solid black;
}

.header {
    display: flex;
    padding: 10px 0;
    height: 20px;
    background-color: #fff;
    border-bottom: 1px solid #eee;


}

.header .back {

    margin-left: 16px;
}

.header .back a {
    text-decoration: none;
    color: inherit;
    align-items: center;

}
.fontBig {
    font-weight: bold;
}

.backColor {
    color: rgb(16, 175, 237);
}

.header .title {
    padding-right: 130px;
}
form{
    text-align: center;
    
}
form p{
    display: flex;
    background-color: #fff;
    color: #bbb;
}
form p input{
    width: 300px;
    height: 30px;
   border: none;
   border-bottom: 1px solid #eee;
}
form .loginBtn{
    height: 30px;
    width: 200px;
    background-color: rgb(11, 118, 233);
    border-radius: 20px;
    border: none;
   
}